9X25 Loading Data

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Well i finely got my 9x25 Dillon all set up. The platform is my glock 20 with a trijicon RMR red dot. I got a Jarvis 6" barrel from some one here on the forum. I threaded the barrel at work to take my lone wolf comp as i wanted the option to run with a comp. I tested her out at the local indoor range a few days ago and was blown away. i had a perma grin after the first shot. i took some vid to show what 14.5gr of blue dot and a CCI 300 primer under a 90gr XTP will look like. To day I'm heading out to test 15 and 15.5gr of blue dot and some long shot loads. i will bring my chrono with me this time. here are the vid clips.

I was running some numbers in QuickLoad and noticed that for a 90gr xtp loaded to an OAL of 1.26" and filled with 15.5gr of Blue Dot it creates 31,428 psi @ 1842 FPS out of a 6.02" barrel. Now this is just quickloads numbers so i don't know how much water it holds but it made me think.

I also put (10) more of my 90gr XTP/12.2gr Longshot/CCI350 loads through the chrono, just to confirm the numbers from previous testing. They are consistent with my last chrono session, averaging 2048fps with an ES of 27.

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I have got some 124gr XTPs and want to work up some fast loads using long shot. what i'm wondering is where is a good place to start at in grains of long shot?

I have got some 124gr XTPs and want to work up some fast loads using long shot. what i'm wondering is where is a good place to start at in grains of long shot?

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Hodgdon's listed max for the .357sig 124gr XTP is 9.3gr. If I were working this load up, I'd start at 9.4gr. I'd work up in .2gr increments to around 10.4gr for the first round of chrono testing. I'll be waiting for your results. I love my 115's @ 1750fps, but a 124 @ 1650+ might be the ticket.

Hodgdon's listed max for the .357sig 124gr XTP is 9.3gr. If I were working this load up, I'd start at 9.4gr. I'd work up in .2gr increments to around 10.4gr for the first round of chrono testing. I'll be waiting for your results. I love my 115's @ 1750fps, but a 124 @ 1650+ might be the ticket.

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im trying to hit 1700fps with the 124gr xp. the 124gr xtp have an amazing BC for that bullet size. carrys its energy much better. plus with the longer base i bet thy are more accurate.

OK i'm back from the range with numbers in hand. WOW i had a good time and was kinda shocked why what i saw. first off im shooting these in a Glock 20 with a jarvis 6" barrel. I tested some 90gr and some 125gr xtps, loads below. temp was 40deg at about 5000ft

I tested this load again and i got false readings. so the numbers below are false. i will retest later
90gr XTP
15.5gr Bluedot
CCI300
OAL 1.265

2175
2140
2143
2164
2203

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WHAT 2203 was the first shot so i took 4 more and the numbers hold true. somthing has to be wrong so i kept 2 rounds to pull to make shure i did no load like 17gr lol. but the primers looked great. Ok now on to the 124gr xtps

125gr XTP
CCI 350
OAL 1.26
LongShot powder

9.6 gr
1656
1616

9.8 gr
1666
1654
1618
1638

10 gr
1681
1668
1660
1689

10.2 gr
1698
1664
1711

10.4 gr
1740
1709
1681
1696
1685
1729
1702
1707
1733
1724

All the primers looked perfectly fine and i will be working up higher. I am just shocked with the numbers im seeing. i dont know what happened with the 15.5gr of BD but i aim to find out. Im going to try some 357 125gr xtps to see if thy will handle the velocity better. the 9mm xtps just exploded and whats left of the core and chacke weigh about 80-85gr. but i can size down the 357 to 355 and be just perfect as thy are rated for 1600fps. I'm going to get an antelope this year with this gun.

well today I loaded up some 125gr .357 XTPs. Being that thy are larger then the 9mm versions I was a bit concerned about the pressure. I loaded them to an OAL of 1.27 with 10gr of Longshot. i tested 15 of them as thats all i loaded. i did not have my chrono so i don't know the speed but thy shoot just fine and the primers looked just like if i used .355 sized bullets. so now i will load from probably 10gr to 11gr in .2 steps and test for velocity.

To day I went a diffrent direction. I still used 125gr 357 mag xtp's as I Iike how thy shoot. After much searching and reading I decided to actualy load up some to do what the 9x25 was designed to do. At first i assumed it was designed for pure speed but i was wrong. It was designed to genarate a hell of a lot of high pressure gas to make the comps work better. This is done using some absurdley slow powders and a bunch of it. We are talking about powders like W296 and H110.

But somthing felt diffrint. First off it would not even try to eject the brass. the brass would just stay in the chamber. And also there was ZERO muzzle rise. WHAT that cant be true. So i shot one hand with my chest turned to face the side of the gun. This was to watch for muz rise. I held it just tight enough to point it. I fired a shot and it recoiled stright back with 0 rise.

Seeing how your gun is comp'ed you could be experiencing the affects of the comp working...14.2 of Hogdon H110 for 115grain bullet and 14.0 of H110 for 125grain bullets is what Mike McNett had originally recomended for the 9x25...9X25 Dillon June 27, 2009 testS&W 1006 5.00" with Bar-Sto barrel w/22# Wolff Recoil SpringTemps 99 °Zero 121.0 gr HP 0.356&#8221; 1.255&#8221;H-110 14.4 gr CCI 350Velocity 1280-1335 fpsPrimers flatten some, little smear

How did the brass and primers look?
What about ejection?

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I made a different comp for my 9x25 as i wanted something designed just for the 9x25. the funny thing is with the long shot loads the brass would eject just fine but with the VV N110 loads it would not even pull the brass from the chamber. i would have to manually cycle the slide. I'm guessing i need to use something like my 11lb spring to get it to cycle. I know the comp is working very efficient now. i mean zero muzzle rise is sweet. the primers looked great. i used WLR primers as that's what i had on hand but according to the load data i looked at thy said to use rifle primers. but the primers looked like new with a strike mark in them.

The lack of ejection is interesting...I noticed some of the loads I tried that ejection was just barely out of the slide. This was with the 22 lb recoil spring. I need to investigate further with other springs for a better understanding. The 9x25 cartridge sure has been a great learning experinence...

Much thanks to MeatHead9 & JT and others with their work with the 9x25 Dillon and also for the help with identifing what does seem like the powder used by DT in their 9x25's cartridges...LongShot is very comparable...

Great job on the testing. I have slowly been tweeking my gun and load to get it where i want. I will go on record saying i got the bugs out. last sat i tested a mag full of 125gr .357 FP-XTPs loaded with 14.5gr of N110 and a CCI350 primer loaded to around 1.27. I have an 11LB spring in my G20 and a comp. So i took aim and ripped of a shot. wow perfec cycle. Time for some double taps. VERY fast sec shots. as you take the shot you can watch the sights stay on target. So impressed that this my carry gun now.

Well after some close inspection of the Feb. testing, I liked what I saw...case expansion was within reason and I decided to tweak things just a little...So I sat down and loaded the following...

Cartridge 9X25 Dillon I have 500 of Double Tap's brand new brass to mess with and 70 or so once fired DT's...ZERO 121 grain 0.356&#8221; JHP (these are the 38Super bullets with good copper jacket) Originally I purchased a 1000 of these bullets for this project. The hollow point nose and construction of this bullet is why I choose this one inparticular. It's 0.356" dia. and long bearing surface makes for very hard hitting and accurate shooting.Again Loaded with 10.5 grains of Hodgdon&#8217;s LongShot powder, hand weighed for match quality.
I had some Winchester Large Pistol Primers so I used those this time.
I adjusted the COAL to 1.250" although I didn't have any proplems at 1.260" I feel this along with a slight increase in crimp will help even things out over all.

While I could probably drive these a little faster, I like the balance of the performance keeping the longevity of pistol life within reason, not to mention shooter safety. If I ever get a 6" barreled gun the performance will be better still.

I am looking at doing some testing with a few speciality bullets if and when I get them.

Thanks for all the data & help you guys have posted here as it keeps us safe!

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